Transmission & Distribution If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as Ohm's law Kirchhoff's law Faraday's law Kelvin's law Ohm's law Kirchhoff's law Faraday's law Kelvin's law ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system? Superposition of currents All of these Thevenin's theorem Circulating current method Superposition of currents All of these Thevenin's theorem Circulating current method ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following is the source of heat generation in the cables? Losses in the metallic sheathings and armourings All of these Dielectric losses in cable insulation losses in the conductor Losses in the metallic sheathings and armourings All of these Dielectric losses in cable insulation losses in the conductor ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following faults is most likely to occur in cables? Open circuit fault Cross or short-circuit fault Breakdown of cable insulation All of these Open circuit fault Cross or short-circuit fault Breakdown of cable insulation All of these ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The square root of the ratio of line impedance and shunt admittance is called the Regulation of the line Conductance of the line None of these Surge impedance of the line Regulation of the line Conductance of the line None of these Surge impedance of the line ANSWER DOWNLOAD EXAMIANS APP